643074640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36373}}^1$

素因数の和:36416

約数の個数: 80

約数和(自身を含む): 1704922128

約数和(自身を除く): 1061847488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 36373, 72746, 145492, 181865, 290984, 363730, 472849, 581968, 618341, 727460, 945698, 1236682, 1454920, 1891396, 2364245, 2473364, 2909840, 3091705, 3782792, 4728490, 4946728, 6183410, 7565584, 8038433, 9456980, 9893456, 12366820, 16076866, 18913960, 24733640, 32153732, 37827920, 40192165, 49467280, 64307464, 80384330, 128614928, 160768660, 321537320, 643074640]

約数ペア:

[(1, 643074640), (2, 321537320), (4, 160768660), (5, 128614928), (8, 80384330), (10, 64307464), (13, 49467280), (16, 40192165), (17, 37827920), (20, 32153732), (26, 24733640), (34, 18913960), (40, 16076866), (52, 12366820), (65, 9893456), (68, 9456980), (80, 8038433), (85, 7565584), (104, 6183410), (130, 4946728), (136, 4728490), (170, 3782792), (208, 3091705), (221, 2909840), (260, 2473364), (272, 2364245), (340, 1891396), (442, 1454920), (520, 1236682), (680, 945698), (884, 727460), (1040, 618341), (1105, 581968), (1360, 472849), (1768, 363730), (2210, 290984), (3536, 181865), (4420, 145492), (8840, 72746), (17680, 36373)]